2053406623 has 4 divisors (see below), whose sum is σ = 2055236248. Its totient is φ = 2051577000.

The previous prime is 2053406617. The next prime is 2053406629. The reversal of 2053406623 is 3266043502.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2053406617) and next prime (2053406629).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2053406623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053406629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913128 + ... + 915373.

It is an arithmetic number, because the mean of its divisors is an integer number (513809062).

Almost surely, 2^2053406623 is an apocalyptic number.

2053406623 is a deficient number, since it is larger than the sum of its proper divisors (1829625).

2053406623 is a wasteful number, since it uses less digits than its factorization.

2053406623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829624.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 2053406623 is about 45314.5299324621. The cubic root of 2053406623 is about 1271.0373699143.

The spelling of 2053406623 in words is "two billion, fifty-three million, four hundred six thousand, six hundred twenty-three".